Global Patent Index - EP 0152486 A1

EP 0152486 A1 19850828 - ABRASION-RESISTANT SINTERED ALLOY.

Title (en)

ABRASION-RESISTANT SINTERED ALLOY.

Title (de)

ABRIEBFESTE GESINTERTE LEGIERUNG.

Title (fr)

ALLIAGE FRITTE RESISTANT A L'ABRASION.

Publication

EP 0152486 A1 19850828 (EN)

Application

EP 84901227 A 19840323

Priority

JP 14096483 A 19830803

Abstract (en)

[origin: JPS6033344A] PURPOSE:To develop a sintered alloy as a slide member for an internal-combustion engine excellent in wear resistance property and processability, by using a powder comprising a high carbon and high chromium iron material having a specific composition as a stock material for the sintered alloy. CONSTITUTION:The cam shaft or the rocker arm of an internal-combustion engine is prepared as a sintered product from an alloy powder having the following composition. That is, a high carbon and high chromium iron material, which contains 1.5-4.0% C, 0.5-1.2% Si, Mn 1.0%, 0.5-2.5% Mo and 0.2-0.8% P and of which the Cr content is reduced to 2.0-8.0% when C is reduced to 1.5-3.0% but increased to 8.0-20.0% when C is increased to 2.0-4.0% and the remainder comprises Fe, is used. According to circumstances, 0.5-2.5% Ni or Cu<0.85% is further added alone or 0.5-2.5% Ni and 1.0-4.0% Cu are compositely added. In addition, 0.1-5.0% of at least one of B, V, Ti, Nb and W may be contained.

Abstract (fr)

Alliage résistant à l'abrasion, fritté en phase liquide et contenant, en poids, 1,5 à 4,0 % de C, 0,5 à 1,2 % de Si, 1,0 % ou moins de Mn, 2,0 à moins de 8,0 % de Cr, 0,5 à 2,5 % de Mo, 0,2 à 0,8 % de P, le solde étant du Fe.

IPC 1-7

C22C 38/22; C22C 38/36; C22C 38/44; C22C 38/56; C22C 38/28; C22C 38/50

IPC 8 full level

B22F 5/00 (2006.01); C22C 33/02 (2006.01); C22C 38/00 (2006.01); C22C 38/20 (2006.01); C22C 38/22 (2006.01); C22C 38/40 (2006.01)

CPC (source: EP US)

C22C 33/0285 (2013.01 - EP US)

Designated contracting state (EPC)

DE FR GB SE

DOCDB simple family (publication)

EP 0152486 A1 19850828; EP 0152486 A4 19871209; EP 0152486 B1 19910717; AU 2658684 A 19850312; AU 569880 B2 19880225; CA 1237920 A 19880614; DE 3484820 D1 19910822; IT 1174196 B 19870701; IT 8421390 A0 19840613; JP H0360901 B2 19910918; JP S6033344 A 19850220; US 4790875 A 19881213; WO 8500836 A1 19850228

DOCDB simple family (application)

EP 84901227 A 19840323; AU 2658684 A 19840323; CA 457449 A 19840626; DE 3484820 T 19840323; IT 2139084 A 19840613; JP 14096483 A 19830803; JP 8400121 W 19840323; US 15810688 A 19880216